import drv
if drv.bus.i2c is None:
    drv.i2c()

def read(x=0):
    drv.bus.i2c.start()
    drv.bus.i2c.writeto(0x48,bytes([x]))
    drv.bus.i2c.stop();
    return drv.bus.i2c.readfrom(0x48,2)[1]
